Cambridge International Examinations Cambridge International General Certificate of Secondary Education

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1 * * ambridge International Examinations ambridge International General ertificate of Secondary Education EMISTRY 0620/11 Paper 1 Multiple hoice (ore) October/November 2016 dditional Materials: Multiple hoice nswer Sheet Soft clean eraser Soft pencil (type or is recommended) 45 minutes RE TESE INSTRUTIONS FIRST Write in soft pencil. o not use staples, paper clips, glue or correction fluid. Write your name, entre number and candidate number on the nswer Sheet in the spaces provided unless this has been done for you. O NOT WRITE IN NY ROES. There are forty questions on this paper. nswer all questions. For each question there are four possible answers,, and. hoose the one you consider correct and record your choice in soft pencil on the separate nswer Sheet. Read the instructions on the nswer Sheet very carefully. Each correct answer will score one mark. mark will not be deducted for a wrong answer. ny rough working should be done in this booklet. copy of the Periodic Table is printed on page 20. Electronic calculators may be used. The syllabus is approved for use in England, Wales and Northern Ireland as a ambridge International Level 1/Level 2 ertificate. This document consists of 17 printed pages and 3 blank pages. I16 11_0620_11/6RP ULES 2016 [Turn over

2 2 1 Particles moving very slowly from an area of higher concentration to an area of lower concentration. Which process is being described? a liquid being frozen a solid melting a substance diffusing through a liquid a substance diffusing through the air 2 student mixes 25 cm 3 samples of dilute hydrochloric acid with different volumes of aqueous sodium hydroxide. In each case, the student measures the change in temperature to test if the reaction is exothermic. Which piece of apparatus is not needed? burette clock pipette thermometer ULES /11/O/N/16

3 3 3 Information about the solubility of four solids, P, Q, R and S, is given in the table. P Q R S solubility in water dissolves insoluble insoluble dissolves student attempted to separate mixtures of these solids using the following method. 1 dd the mixture to a beaker of water and stir. 2 Filter the mixture. 3 rystallise one of the solids from the filtrate. Which of the following mixtures could not be separated by this method? a mixture of P and R a mixture of Q and P a mixture of Q and R a mixture of R and S 4 The table shows information about atoms of three different elements. element proton number nucleon number number of protons number of neutrons number of electrons chlorine W 17 chlorine 17 X argon Y potassium Z What are the values of W, X, Y and Z? W X Y Z ULES /11/O/N/16 [Turn over

4 5 The diagrams show the structures of two forms of the same element. 4 T U What are the reasons for using T in cutting tools and U as a lubricant? T It is very hard because each atom is held in place by strong covalent bonds. It is very hard because each atom is held in place by strong covalent bonds. It is very hard because there are no electrons able to move. It is very hard because there are no electrons able to move. U The layers can slide over each other because the covalent bonds are weak. The layers can slide over each other due to weak forces between the layers. The layers can slide over each other because the covalent bonds are weak. The layers can slide over each other due to weak forces between the layers. 6 Ions are formed by elements losing or gaining electrons. Which statement is correct? Metal atoms gain electrons to form positive ions. Non-metal atoms lose electrons to form positive ions. The charge on an ion is always either +1 or 1. Group I ions have the same electronic structure as noble gases. 7 molecule of X contains two carbon atoms, four hydrogen atoms and two oxygen atoms. What is the formula of X? 2 O 2 3 O 3 OO 2 3 OO ULES /11/O/N/16

5 5 8 oncentrated aqueous potassium chloride is electrolysed using platinum electrodes. The solution contains the ions K +, l, + and O. Which electrodes are the ions attracted to during this electrolysis? anode cathode l and K + + and O l and O + and K + + and K + l and O + and O l and K + 9 Which apparatus could be used to electroplate an iron nail with copper? + + key = copper sheet = iron nail aqueous copper(ii) sulfate + + aqueous iron(ii) sulfate ULES /11/O/N/16 [Turn over

6 10 When anhydrous copper(ii) sulfate is added to water a solution is formed and heat is given out. 6 thermometer anhydrous copper(ii) sulfate water Which row shows the temperature change and the type of reaction taking place? temperature change type of reaction decrease endothermic decrease exothermic increase endothermic increase exothermic 11 The combustion of element X releases large amounts of energy. What is X? ethanol hydrogen methane uranium ULES /11/O/N/16

7 7 12 The rate of reaction between magnesium and excess dilute hydrochloric acid was followed by measuring the mass of magnesium present at regular time intervals. Two experiments were performed. oth experiments used 0.1 g of magnesium ribbon. The acid in experiment 1 was less concentrated than in experiment 2. Which graph shows the results of the experiments? mass of magnesium 1 mass of magnesium time 0 0 time 2 1 mass of magnesium 1 mass of magnesium time 0 0 time 13 Which reaction is reversible? uo 3 + 2l ul 2 + O O uso O uso O 2Na O 2NaO + 2 NaO + l Nal + 2 O 14 Tin is formed when tin(ii) oxide is heated with carbon. What happens to the tin in the tin(ii) oxide in this reaction? It is burnt. It is electrolysed. It is oxidised. It is reduced. ULES /11/O/N/16 [Turn over

8 8 15 Part of the Periodic Table is shown. Which element forms an acidic oxide? 16 Four substances, P, Q, R and S, are tested as shown. test substance P Q R S dilute hydrochloric acid added gas given off which pops with a lighted splint gas given off which turns limewater milky no reaction no reaction dilute aqueous sodium hydroxide added and warmed gently no reaction no reaction gas given off which turns damp, red litmus paper blue no reaction What are P, Q, R and S? P Q R S Mg Na 2 O 3 N 4 l Nal Mg N 4 l Na 2 O 3 Nal Mg Na 2 O 3 Nal N 4 l Na 2 O 3 Mg Nal N 4 l 17 cids can react with metal oxides, carbonates and metals. Which reactions produce a gas? acid with metal oxide acid with carbonate acid with metal key = gas is produced = no gas is produced ULES /11/O/N/16

9 18 The apparatus shown is used to prepare aqueous copper(ii) sulfate. 9 solid X stirrer filter paper excess of solid X Y aqueous copper(ii) sulfate What are X and Y? heat X Y copper aqueous iron(ii) sulfate copper(ii) chloride sulfuric acid copper(ii) oxide sulfuric acid sulfur aqueous copper(ii) chloride 19 Which statement about trends in the Periodic Table is not correct? Elements in the same period have the same number of electron shells. The elements change from metals to non-metals from left to right. The number of protons in an atom of an element increases from left to right. The oxides of the elements change from acidic to basic from left to right. 20 What is not a property of Group I metals? They are soft and can be cut with a knife. They react when exposed to oxygen in the air. They produce an acidic solution when they react with water. They react rapidly with water producing hydrogen gas. 21 Which statement about the element with proton number 54 is correct? It burns in the air to form an oxide. It could be used in balloons because it has a very low density. It is a gas at room temperature. It is reactive because it has a full outer shell of electrons. ULES /11/O/N/16 [Turn over

10 10 22 Which element is a transition element? colour of chloride melting point of element / orange 113 orange 1535 white 113 white Which row describes the trends in the properties of the Group VII elements as the group is descended? colour density reactivity with halide ions darkens decreases increases darkens increases decreases lightens decreases increases lightens increases decreases 24 Four metals are listed in decreasing order of reactivity. magnesium zinc iron copper Titanium reacts with acid and cannot be extracted from its ore by heating with carbon. Where should titanium be placed in the list? below copper between iron and copper between magnesium and zinc between zinc and iron ULES /11/O/N/16

11 25 Impure iron from the blast furnace is converted to steel as shown. oxygen 11 impure molten iron Which statement about the process is correct? cidic oxides are added to remove alkaline impurities. oke is added as a reducing agent. Oxygen is blown in to oxidise the impure iron. The steel produced contains less carbon than the impure iron. 26 student added dilute hydrochloric acid to four metals and recorded the results. Some of the results are not correct. results metal gas given off 1 copper yes 2 iron yes 3 magnesium no 4 zinc yes Which two results are correct? 1 and 3 1 and 4 2 and 3 2 and 4 ULES /11/O/N/16 [Turn over

12 12 27 Some properties of three metals, P, Q and R, are shown. metal density resistance to corrosion electrical conductivity P low high very good Q high high very good R low low good Which metals would be suitable for use in electrical wiring and aircraft manufacture? electrical wiring aircraft manufacture P Q Q P Q R R P 28 One sample of sea-water is distilled while another sample of sea-water is filtered. Which statement about the samples is correct? The distilled sample boils at exactly 100 and contains dissolved salts. The distilled sample boils at 103 and does not contain dissolved salts. The filtered sample boils at 103 and contains dissolved salts. The filtered sample boils at exactly 100 and does not contain dissolved salts. 29 ir is a mixture of gases. Which gas is present in the largest amount? argon carbon dioxide nitrogen oxygen ULES /11/O/N/16

13 30 Which information about carbon dioxide and methane is correct? 13 carbon dioxide methane formed when vegetation decomposes key greenhouse gas = true present in unpolluted air = false produced during respiration 31 mixture of two substances, X and Y, is heated. The damp, red litmus paper turns blue. damp, red litmus paper X and Y What are X and Y? gentle heat X Y aluminium nitrate hydrochloric acid aluminium nitrate sodium hydroxide solution ammonium chloride hydrochloric acid ammonium chloride sodium hydroxide solution ULES /11/O/N/16 [Turn over

14 32 In the experiment shown, a white precipitate forms in the limewater. 14 X limewater Y What are X and Y? X Y aqueous sodium hydroxide zinc aqueous sodium hydroxide zinc carbonate dilute sulfuric acid zinc dilute sulfuric acid zinc carbonate 33 Which box corresponds to limestone? oes limestone contain carbon? yes no oes limestone burn? oes limestone burn? yes no yes no ULES /11/O/N/16

15 15 34 Petroleum is an important fossil fuel. Which row correctly describes petroleum? type of substance composition compound mainly hydrocarbons compound only hydrogen and carbon mixture mainly hydrocarbons mixture only hydrogen and carbon 35 utane reacts as shown. butane What is this type of reaction? catalyst and heat butene + hydrogen combustion cracking polymerisation reduction 36 Which substance is in the same homologous series as methanol? O O O 37 Which statement could not be correct for an alkane? It burns readily in a plentiful supply of air to form only carbon dioxide and water. It decolourises aqueous bromine. It has a boiling point of 42. The carbon and hydrogen atoms in the molecule are joined by sharing pairs of electrons. ULES /11/O/N/16 [Turn over

16 38 In which conical flask will ethanol be produced? 16 water and sugar sugar and yeast water, sugar and yeast water and yeast 39 Which molecule can be polymerised? O O 40 Which row describes what happens when ethanol burns in air? a white powder is left heat energy is given out carbon dioxide is formed water is formed ULES /11/O/N/16

17 17 LNK PGE ULES /11/O/N/16

18 18 LNK PGE ULES /11/O/N/16

19 19 LNK PGE Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (ULES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the ambridge International Examinations opyright cknowledgements ooklet. This is produced for each series of examinations and is freely available to download at after the live examination series. ambridge International Examinations is part of the ambridge ssessment Group. ambridge ssessment is the brand name of University of ambridge Local Examinations Syndicate (ULES), which is itself a department of the University of ambridge. ULES /11/O/N/16

20 20 ULES /11/O/N/16 Group The Periodic Table of Elements 1 hydrogen 1 2 e helium 4 I II III IV V VI VII VIII 3 Li lithium 7 4 e beryllium 9 atomic number atomic symbol Key name relative atomic mass 11 Na sodium Mg magnesium K potassium a calcium Rb rubidium Sr strontium s caesium a barium Fr francium 88 Ra radium 5 boron l aluminium Ga gallium In indium Tl thallium carbon Si silicon Ge germanium Sn tin Pb lead Ti titanium Zr zirconium f hafnium Rf rutherfordium 23 V vanadium Nb niobium Ta tantalum b dubnium 24 r chromium Mo molybdenum W tungsten Sg seaborgium 25 Mn manganese Tc technetium 75 Re rhenium h bohrium 26 Fe iron Ru ruthenium Os osmium s hassium 27 o cobalt Rh rhodium Ir iridium Mt meitnerium 28 Ni nickel Pd palladium Pt platinum s darmstadtium 29 u copper g silver u gold Rg roentgenium 30 Zn zinc d cadmium g mercury n copernicium 114 Fl flerovium 116 Lv livermorium 7 N nitrogen P phosphorus s arsenic Sb antimony i bismuth O oxygen S sulfur Se selenium Te tellurium Po polonium 9 F fluorine l chlorine r bromine I iodine t astatine 10 Ne neon r argon Kr krypton Xe xenon Rn radon 21 Sc scandium Y yttrium lanthanoids actinoids 57 La lanthanum c lanthanoids actinoids The volume of one mole of any gas is 24 dm 3 at room temperature and pressure (r.t.p.) actinium 58 e cerium Th thorium Pr praseodymium Pa protactinium Nd neodymium U uranium Pm promethium 93 Np neptunium 62 Sm samarium Pu plutonium 63 Eu europium m americium 64 Gd gadolinium m curium 65 Tb terbium k berkelium 66 y dysprosium f californium 67 o holmium Es einsteinium 68 Er erbium Fm fermium 69 Tm thulium Md mendelevium 70 Yb ytterbium No nobelium 71 Lu lutetium Lr lawrencium